onsider the structure. a carbon is bonded to two three carbon chains and a branched alkane. the branched alkane is a 2 carbon chain with a methyl on carbon 1. select the correct name for the given structure.

Answer:

you can use the example of two magnets

Answer: The gravitational force Increase as the objects get closer.

Explanation:

The calculated density of the material is 1.3 g/cm³. The mass was found to be 11.4 grams. The thickness of the material is 14.82 cm³.

Thickness is defined as a dimension, typically the smallest of the three, that describes the separation between two surfaces of an item. There are various layers of fabric that make up a thickness. While density considers how thin or thick strands are collectively, as a group, thickness relates to the breadth of a single hair strand.

Density can be expressed as

Density = mass / volume

Volume = Thickness

So, density = mass / thickness

Thickness = Density x mass

Thickness =  1.3 g/cm³ x 11.4 g

Thickness = 14.82 cm³

Thus, the calculated density of the material is 1.3 g/cm³. The mass was found to be 11.4 grams. The thickness of the material is 14.82 cm³.

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Answer:

Explanation:

Pick up a soft drink. The CocaCola I have has 8 ingredients and is a mixture. Mind you, it is hard to tell what kind of sugar is present because three are listed.

It certainly has more than 2 ingredients.

Answer:

The mass of a sample of iron that has had 300 J applied to it and heats up from 20 degrees Celsius to 40 degrees Celsius is 32.61 grams.

Explanation:

Calorimetry is the measurement and calculation of the measurement of heat changes exchanged by a body or a system produced in physical and chemical processes.

The sensible heat of a body is the amount of heat received or transferred by a body to produce a change in temperature but without a change in physical state.

The sensible heat in a constant pressure is calculated by:

Q = c * m * ΔT

where Q is the heat exchanged by a body of mass m, constituted by a substance of specific heat c, and where ΔT is the temperature variation (ΔT=Tfinal - Tinitial)

In this case:

Replacing:

300 J= 0.46 \(\frac{J}{g*C}\) * m* (40 - 20) C

Solving:

300 J= 0.46 \(\frac{J}{g*C}\) * m* 20 C

\(m=\frac{300 J}{0.46 \frac{J}{g*C} * 20 C}\)

m= 32.61 g

The rate of formation of ammonia is approximately -1.8 x 10⁻² units (per unit time) based on the given rate of disappearance of hydrogen.

The balanced equation for the reaction is:

N₂(g) + 3H₂(g) → 2NH₃(g)

According to the stoichiometry of the reaction, for every 3 moles of hydrogen (H₂) consumed, 2 moles of ammonia (NH₃) are formed.

Given that the rate of disappearance of hydrogen (-2.7 x 10⁻² is negative, indicating its consumption, we can determine the rate of formation of ammonia using the stoichiometric ratio.

Rate of formation of ammonia = (Rate of disappearance of hydrogen) × (2/3)

Rate of formation of ammonia = (-2.7 x 10^(-2)) × (2/3)

Rate of formation of ammonia ≈ -1.8 x 10^(-2) (units depend on the units of the rate given)

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Answer: The pH of [H30+] = 2.4 * 10 -3 M is 2.6

Explanation:

pH = 3 - log 2.4 = 2.6

The reduction of 1-decyne to decane requires two equivalents of hydrogen gas. This is because the reaction involves the addition of two hydrogen atoms to the triple bond of the 1-decyne molecule, resulting in the formation of a decane.

Each hydrogen atom contributes one electron to form a bond with one of the carbon atoms in the triple bond, and the reaction requires two such additions to convert the triple bond to a single bond. Therefore, two equivalents of hydrogen gas are needed to provide the necessary hydrogen atoms for the reduction to take place.

The reaction is typically carried out using a palladium or platinum catalyst under mild conditions of temperature and pressure. The reduction of alkynes to alkanes is an important organic reaction with many applications in organic synthesis and industrial processes.

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The number of hamburgers sold on Wednesday is 275.

Let's assume the number of hamburgers sold is x.

According to the given information, the number of cheeseburgers sold is 70 more than the number of hamburgers. So, the number of cheeseburgers sold can be expressed as x + 70.

The total number of hamburgers and cheeseburgers sold is given as 620, so we can set up the following equation:

x + (x + 70) = 620

Combining like terms, we get:

2x + 70 = 620

Subtracting 70 from both sides of the equation:

2x = 550

Dividing both sides by 2:

x = 275

Therefore, the number of hamburgers sold on Wednesday is 275.

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Answer:(a) electrons

(b) nucleus

(c) protons

(d) neutrons

(e) mass number

Explanation:

The oxidizing agent in the reaction Fe + \(AgNO_3\)→ \(Fe(NO_3)_3\) + Ag is option a \(AgNO_3.\)

A redox reaction is one in which the oxidation states of two species undergo changes. Iron is oxidized in the reaction, while silver nitrate is reduced. One of the reactants is being reduced, whereas the other is being oxidized.The oxidizing agent is the species that is being reduced, and it is the species that accepts electrons.

Fe is being oxidized in this reaction. Therefore, it cannot be the oxidizing agent, nor can\(Fe(NO_3)_3\). In contrast, \(AgNO_3.\)  is being reduced, which means it is accepting electrons. This is why\(AgNO_3.\)  is the oxidizing agent.The correct answer is  option a.

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The pressure of atmospheres of the argon gas in  the given incandescent light bulb is 1. 1 .

The pressure of atmospheres can be found by the formula :

= ( Number of moles x Universal gas constant x Temperature in Kelvin ) / Volume of gas

Number of moles = 3.4 x 10 ⁻³

Universal gas constant = 0. 082

Temperature in Kelvin = 20 + 273. 15 = 293. 15 K

Volume of gas : 75 x 10 ⁻³

The pressure of atmospheres of the argon gas is:

= ( 3.4 x 10 ⁻³ x 0. 082 x 293. 15 ) / 75 x 10 ⁻³

= 1. 1 atm

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Answer:

1.2M

Explanation:

Initial Volume 0.05L

Final Volume 0.250L

HCl Molar mass: 36.46 g/mol

M = 6M HCl

Molarity = mol solute /  L of solution

Inital M = Molarity = 6

mol solute = X = unknown

L of Solution = 0.05L

6 = X / 0.05

X = 0.3

X = 0.3/0.25

X = 1.2 M

​  

Answer: Well most if not all metals rust due to oxidation. Most can be melted at certain temperatures or just heated to a certain degree to be maluable

Explanation:

Answer:

The war was triggered by a German policy designed to force the indigenous population to grow cotton for export and lasted from 1905 to 1907, during which 250,000–300,000 died. After the scramble for Africa among the major European powers in the 1880s, Germany reinforced its hold on several formal African colonies.

Explanation:

please give me brainlist and follow

The total pressure in the flask is 24.91 atm.

To calculate the total pressure in the flask, we need to convert the partial pressures of each gas to the same units, preferably atm.

Partial pressure of nitrogen = 9.65 atm

Partial pressure of oxygen = 631 torr = 0.831 atm (since 1 atm = 760 torr)

Partial pressure of ammonia = 1467 kPa = 14.43 atm (since 1 atm = 101.3 kPa)

Now, we can find the total pressure by adding up the partial pressures of each gas:

Total pressure = 9.65 atm + 0.831 atm + 14.43 atm = 24.91 atm

Therefore, the total pressure in the flask is 24.91 atm.

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Answer:

Explanation:

Sodium Na has 11 electrons.

Sodium has an electronic configuration of 2, 8, 1.

The valence electron is the number of electrons in the last shell.

The number of valence electrons in sodium is 1.

Answer:

Number of valence electrons in sodium is 1 as we know the electronic configuration of sodium that is

\(1s^2,2s^2,2p^6,3s^1\)

as there is only one electron in third sub-shell so the Number of valence electrons in sodium is 1

Explanation:

i hope this will help you :)

: PM2.5 is defined as the mass concentration of particles in the air less than or equal to 2.5 micrometers in diameter.Question 15: False, carbon dioxide (CO2) is not considered a criteria air pollutant.

Question 16: The closest answer is 50%, but the exact percentage is not provided in the question.Question 17: The term "photochemical smog" is most synonymous with ozone (O3), which is a criteria air pollutant.Question 18: True, attainment of ambient air quality standards requires that measured concentrations at all monitoring stations within an air district are below ambient air standards.

Question 14 asks about the definition of PM2.5. PM2.5 refers to particulate matter with a diameter less than or equal to 2.5 micrometers. It represents the mass concentration of particles suspended in the air, which are small enough to be inhaled into the respiratory system and can have adverse health effects.

Question 15 states whether carbon dioxide (CO2) is a criteria air pollutant. Criteria air pollutants are a set of pollutants regulated by environmental agencies due to their detrimental impact on air quality and human health. However, carbon dioxide is not considered a criteria air pollutant because it does not directly cause harm to human health or the environment in the same way as pollutants like ozone or particulate matter.

Question 16 asks about the percentage of carbon monoxide (CO) emissions from mobile sources in Santa Clara County. While the exact percentage is not provided in the question, the closest answer option is 50%. However, it is important to note that the precise percentage may vary depending on specific local conditions and emissions sources.

Question 17 inquires about the criteria air pollutant most synonymous with the term "photochemical smog." Photochemical smog is primarily associated with high levels of ground-level ozone (O3). Ozone is formed when nitrogen oxides (NOx) and volatile organic compounds (VOCs) react in the presence of sunlight, creating a hazy and polluted atmospheric condition.

Question 18 addresses the concept of "attainment" of ambient air quality standards. To achieve attainment, measured concentrations of pollutants at all monitoring stations within an air district must be below the established ambient air quality standards. This ensures that the air quality in the given area meets the required standards for protecting human health and the environment.

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Answer:

See below

Explanation:

A homogeneous solution has the same properties throughout the entire mixture.  Water is an example.  

Heterogeneous solutions do not.  Sand is a good example.  Each grain of sand is not identical to the next grain of sand.

Given that 41.50 g of potassium iodide (KI) is added to a container that is then filled with water to a final volume of 211 mL.

We need to find the molarity of the solution. Molarity is defined as the number of moles of solute dissolved in one liter of solution.

In order to find the molarity,  

we need to determine the number of moles of KI first.Number of moles of KI = (given mass of KI) / (molar mass of KI) = 41.50 g / 166.0 g/mol = 0.25 mol

Now we can use this to find the molarity .Molarity (M) = (number of moles of solute) / (volume of solution in liters) M = (0.25 mol) / (211 mL / 1000 mL/L) = 1.18 M

Therefore, the molarity of the solution is 1.18 M.

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True. The permissible range for an objective function coefficient represents the degree of uncertainty for the coefficient of interest and is based on the assumption that the initial estimations for all other coefficients in the linear programming model are correct..

The permissible range for an objective function coefficient is predicated on the assumption that all other coefficients in the linear programming model were initially estimated with the highest degree of accuracy. The objective function coefficient, whose true value may vary from its initial estimate, is the sole variable to which the permitted range is thus limited. This is so because linear programming models rely on a number of premises, one of which being that the model's coefficients are known for sure. The acceptable range denotes the range of values that the objective function coefficient can have without undermining the model's underlying assumptions in practise, where these coefficients may be derived using historical data or other sources.

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Answer:

28 years

Explanation:

the information is literally in the question.

Answer:

the new concentration is 0.60M

Explanation:

The computation of the new concentration is shown below;

We know that

M1V1=M2V2

(3.0M) (10.0 mL) = M2 (50.0mL)

30 = M2 (50.0mL)

So, M2 = 0.60 M

Hence, the new concentration is 0.60M

The same is considered and relevant

Answer:

The actual reason that the application of salt causes ice to melt is that a solution of water and dissolved salt has a lower freezing point than pure water. When added to ice, salt first dissolves in the film of liquid water that is always present on the surface, thereby lowering its freezing point below the ices temperature. Ice in contact with salty water therefore melts, creating more liquid water, which dissolves more salt, thereby causing more ice to melt, and so on.

Multivalent ions are located in the right hand side of periodic table in a zig-zag order.

Multivalent ions are defined as the elements with more than one stable ion. Generally, Ionic compounds containing multivalent elements must have Roman numerals in their names in order to indicate which ions is forming that compound. Basically, the roman numeral is written in brackets after the element to indicate the charge

The Five Multivalent Metals present in the modern periodic table are copper. Cu 1+ copper(I) Cu 2+ copper(II) iron. Fe 2+ iron(II) Fe 3+ iron(III) mercury. Hg2 2+ mercury(I) Hg 2+ mercury(II) lead. Pb 2+ lead(II) Pb 4+ lead(IV) tin. Sn 2+ tin(II) sn 4+ tin(IV).

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Answer:The equation for the alpha decay of   is written as .

Alpha decay is a type of radioactive decay in which an atomic nucleus emits an alpha particle.

The emission of this alpha particle reduces the mass number of the original atom by 4 and the atomic number by 2.

The alpha decay equation is written as;

Explanation: When the given atom () under goes alpha decay, the resulting element is written using the following equation;

Thus, the equation for the alpha decay of   is written as .

The temperature at which the volume of the gas is 3.42 L, when held at constant pressure, is 278 K (Option B).

To determine the temperature, we can use Charles's Law, which states that the volume of a gas is directly proportional to its temperature when the pressure is held constant.

The formula for Charles's Law is V1/T1 = V2/T2.

In this case, V1 = 3.62 L, T1 = 21.6°C + 273.15 = 294.75 K, and V2 = 3.42 L.

To find the unknown temperature T2, rearrange the formula as T2 = (V2 * T1) / V1.

Substituting the values, T2 = (3.42 * 294.75) / 3.62 = 278 K. Therefore, the temperature at which the volume of the gas is 3.42 L is 278 K.

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Answer:

when CO2 gas is passed through lime water it turns milky due to the formation of calcium carbonate which formula is CaCO3.

Ca(OH)2+ CO2------ CaCO3

when excess of carbon dioxide is passed through calcium carbonate calcium hydrogen carbonate is formed and solution become colourless.

CaCO3+CO2------ Ca(HCO3)

Answer and Explanation:

Your answer is...

The stars appear to move together along a path because of Earth's rotation on its axis.

Answer:

C. Stars appear to move together along a path because of the earths rotation on its axis.

Explanation:

lol ik its right bc I got a 100 on my science test:)